查询词典 sulfite

Sulfate reducing bacteria ; bacterium solution preparation ; quantitative detection ; dissimilatory sulfite reductase ; DSR-MPN-PCR assay

硫酸盐还原菌；菌液制备；定量检测；异化型亚硫酸盐还原酶； DSR-MPN-PCR法

The research and status of non-cyanide electroless gold plating using sodium sulfite and/or hyposulphite as complexing agent are described in detail.

详细阐述以亚硫酸钠及硫代硫酸钠为配位剂的无氰化学镀金的研究及发展现状。

Through a self-designed lightproof intermittent reactor, homogenous oxidation kinetics of sodium sulfite was studied under uncatalyzed, catalyzed and inhibited conditions, respectively.

本文在均相条件下，通过自行设计的避光间歇式反应器，对亚硫酸钠非催化氧化、催化氧化和抑制氧化的本征反应动力学进行了实验研究。

He effects of using sulfite paper making waste,mirabilite and high-effeieney water reducer as composite grinding aids on the grinding efficiency and properties of cement were studied experimentally.

利用亚硫酸盐纸浆废液、芒硝和高效减水剂作复合助磨剂对水泥粉磨效率及其性能进行了试验研究。

The present invention discloses one kind of compound preparation comprising monopotassium glycyrrhizunate 20-75 weight portions, glycine 1-800 weight portions, L-cysteine hydrochloride 10-28 weight portions, and one or two of sodium chloride 10-30 weight portions, anhydrous sodium sulfite 10-28 weight portions and disodium edetate 1-9 weight portions.

本发明公开了一种含甘草酸单钾盐的复合制剂，由下述重量配比的组分制成：甘草酸单钾盐20-75份，甘氨酸1-800份，L-盐酸半胱氨酸10-28份，和氯化钠10-30份，无水亚硫酸钠10-28份，依地酸二钠1-9份中的一种或两种以上的混合。

Sodium hydrosulfite,hydrogen peroxide,sodium percarbonate,sodium sulfite,rongalite C,zinc oxide,sodium thiosulfate,carbon dioxide,dry ice,methanol,formalin,urea,sodium carbonate,ammonium chloride.

提供产品：连二亚硫酸钠，过氧化氢，过氧碳酸钠，亚硫酸钠，雕百块，氧化锌，硫代硫酸钠，二氧化碳，干冰，甲醇，甲醛，尿素，纯碱，氯化铵。

The suitable reaction parameters were found that mole ratio of potassium persulphate to sodium sulfite,mole percent of initiator and mole percent of BS relative to total monomer, mass percent of total monomer in water, mass percent of surfactant in water, reaction temperature,pH value and reaction time are 3:1,0.06%, 1.45%,20%,5.5%,50 ℃,6 - 7 and 12 h, respectively.

研究得到了适宜的反应条件：n（K2S2O8）：n（Na，SO3）=3：1，引发剂和Bs相对于单体总量的摩尔分数分别为0.06％和1.45％，总单体在水里的质量分数为20％，SDS在水里的质量分数为5.5％，pH=6—7，反应温度50℃。

The results showed that the low-molecular weight sodium polyacrylate from 2 000 to 4 000 were obtained when reaction temperature was 70 ℃,acrylic acid mass fraction was 20 %～30 %,the mass ratio of potassium persulphate to sodium hydrogen sulfite was 10∶1～14∶1,and reaction...

对合成的聚丙烯酸钠在陶瓷铁粉上进行应用试验，当聚丙烯酸钠加入量为0.3%~0.5%时，所得浆料粘度较小，有良好的分散效果。

The inhibition of sulfite oxidation by pyrogallic acid was investigated in oxygen scavenging and air oxidation experiments.

通过除氧速度和空气氧化速度测定，研究了焦性没食子酸对亚硫酸盐自动氧化的阻滞作用。

Semibleached alkaline sulfite-anthraquinone larch pulpis used as a substitute for the mixed long fiber pulp of NBKP and NBSP in newsprint furnish.

研究了以半漂落叶松碱性亚硫酸盐-蒽醌法浆代替针叶木漂白硫酸盐浆与白松酸性亚硫酸盐浆的混合长纤维浆料配抄新闻纸的情况。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。